Radiation-sensitive materials

Details Radiation-sensitive materials Radiation-sensitive materials

1996-11-01

1999-07-27

Chu, John S.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430157, 430160, 430162, 430166, 430175, 430176, 430189, 4302711, 4302731, 430910, G03C 172, G03F 7021, G03F 7023, G03F 7033

Patent

active

059288337

ABSTRACT:
A radiation sensitive material comprises particles including a water-insoluble heat-softenable core surrounded by a shell which is soluble or swellable in aqueous medium. The material also includes a radiation sensitive component which, on exposure to radiation, causes the solubility characteristics of the material to change. The material may be positive- or negative-working and may be coated onto a substrate from aqueous media to form a radiation sensitive plate which, after image-wise exposure, can be developed in aqueous media and then heated to cause the particles to coalesce and form a durable printing image.

REFERENCES:
patent: 4956252 (1990-09-01), Fryd et al.
patent: 5143813 (1992-09-01), Joerg
patent: 5609980 (1997-03-01), Matthews et al.

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